Greenlee 5990A Megohmmeter/Insulation Tester - 5000V


The Greenlee 5990A is a 5000V megohmmeter/insulation tester that is intended to test insulation, detect voltage and verify continuity. The 5990A automatically discharges the tested object when the test is complete. The 5990A features pre-set test voltages of 250V, 500V, 1kV, 2.5kV and 5kV for quick adjustments while the large LCD display with backlight offers easy to read results (Digital & Analog). The 5990A is rated for CAT IV-600V and features an automatic discharge after every insulation test for extra safety.


  • Automatic Discharge on completion of insulation test
  • Continuity Range: 20mA, 200mA
  • LCD, backlit / Analog Bar Graph and Digital display
  • Measurement Category: 5kV
  • Test Voltages: 250V, 500V, 1kV, 2.5kV, 5kV
  • Replacement Range - 0.12MΩ--999GΩ
  • Voltage Rating: CAT IV-600V
  • Auto Calibration on Start-up
  • Onboard Battery Charger
  • Mains Power: 90-260Vac, 45-65 Hz
  • Hazardous Voltage Warning Icon > 70 volts
  • Test: Insulation, Voltage & Frequency
More Information
Features Non-Contact
Manufacturer Greenlee
Measurement 5000V
Power Battery Powered
Rating CAT IV-600V
Type Insulation Resistance Testers
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